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// Copyright (c) 2022 Teddy Wing
//
// This file is part of Yaqlite.
//
// Yaqlite is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Yaqlite is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Yaqlite. If not, see <https://www.gnu.org/licenses/>.
/// Insert YAML `data` records into the given database.
pub fn insert(
dbconn: &mut rusqlite::Connection,
table_name: &str,
data: &mut [yaml_rust::Yaml],
) -> Result<(), crate::Error> {
let table_columns = crate::sqlite::get_column_names(&dbconn, table_name)?;
for mut doc in data {
let tx = dbconn.transaction()?;
crate::yaml::db_insert(&mut doc, &tx, &table_name, &table_columns)?;
tx.commit()?;
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
#[derive(Debug, PartialEq)]
struct TestRecord {
id: i8,
count: i16,
weight: f32,
description: String,
}
fn test_yaml_insert(yaml_str: &str, expected: &[TestRecord]) {
let mut conn = rusqlite::Connection::open_in_memory().unwrap();
conn.execute(
r#"
CREATE TABLE "test" (
id INTEGER PRIMARY KEY,
count INTEGER,
weight REAL,
description TEXT
);
"#,
[]
).unwrap();
let mut data = yaml_rust::YamlLoader::load_from_str(&yaml_str).unwrap();
insert(&mut conn, "test", &mut data).unwrap();
{
let mut stmt = conn.prepare(r#"
SELECT
id, count, weight, description
FROM "test";
"#).unwrap();
let rows = stmt.query_map(
[],
|row| {
Ok(
TestRecord {
id: row.get(0).unwrap(),
count: row.get(1).unwrap(),
weight: row.get(2).unwrap(),
description: row.get(3).unwrap(),
}
)
}
).unwrap();
let got: Vec<TestRecord> = rows.map(|r| r.unwrap()).collect();
assert_eq!(expected, got);
}
conn.close().unwrap();
}
#[test]
fn inserts_yaml_in_database() {
let expected = TestRecord {
id: 1,
count: 99,
weight: 3.14,
description: r#"This is a test.
Another paragraph with a flowed line."#.to_owned(),
};
let description = r#"This is a test.
Another paragraph
with a flowed line."#;
let yaml_str = format!(
r#"- description: >-
{}
count: {}
weight: {}
"#,
description,
expected.count,
expected.weight,
);
test_yaml_insert(&yaml_str, &vec![expected]);
}
#[test]
fn ignores_yaml_fields_that_are_not_column_names() {
let expected = TestRecord {
id: 1,
count: 55,
weight: 7.65,
description: "Some text content.".to_owned(),
};
let yaml_str = format!(
r#"- description: >-
{}
count: {}
weight: {}
nonexistent_column: Must not be inserted.
"#,
expected.description,
expected.count,
expected.weight,
);
test_yaml_insert(&yaml_str, &vec![expected]);
}
#[test]
fn inserts_multiple_records() {
let expected = vec![
TestRecord {
id: 1,
count: 10,
weight: 33.2,
description: "First".to_owned(),
},
TestRecord {
id: 2,
count: 12,
weight: 180.5,
description: "Second".to_owned(),
},
];
let yaml_str = format!(
r#"- description: {}
count: {}
weight: {}
- description: {}
count: {}
weight: {}
"#,
expected[0].description,
expected[0].count,
expected[0].weight,
expected[1].description,
expected[1].count,
expected[1].weight,
);
test_yaml_insert(&yaml_str, &expected);
}
#[test]
fn inserts_yaml_hash() {
let expected = TestRecord {
id: 1,
count: 255,
weight: 86.6,
description: "Some text content.".to_owned(),
};
let yaml_str = format!(
r#"description: {}
count: {}
weight: {}
"#,
expected.description,
expected.count,
expected.weight,
);
test_yaml_insert(&yaml_str, &vec![expected]);
}
}
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